package cn.zlj.controller;

import cn.zlj.domain.User;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
@RequestMapping("/order")
public class OrderController {
    @Autowired
    private RestTemplate restTemplate;

    @GetMapping("/{id}")
    @HystrixCommand(fallbackMethod = "GetUserFallbackMethod")//熔断加入注解并且指定方法名字
    public User GetUser(@PathVariable("id") Long id){
        String url="http://user-server/user/"+id;
        return restTemplate.getForObject(url,User.class);
    }
    public User GetUserFallbackMethod(@PathVariable("id") Long id){
        return new User(-1L,"触发降级熔断","服务不可用");
    }

}
